<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>后盾人</title>
  </head>
  <body></body>
  <script>
    let obj = {
      name: "后盾人"
    };
    let map = new Map();
    map.set(obj, "houdunren.com");
    map.set("name", "hdcms.com");
    // console.log(map.delete(obj));
    // map.clear();
    // console.log(map.has("site"));
    console.log(map);
    // console.log(
    //   map.get({
    //     name: "后盾人"
    //   })
    // );
  </script>
</html>
